179
FZUS51 KBOX 150503
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
103 AM EDT FRI MAY 15 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-151800-
103 AM EDT FRI MAY 15 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
LOW PRESSURE PUSHES FAR OFFSHORE FRI WITH CONTINUED EASTERLY FLOW
AND SWELLS. THEN THE BERMUDA HIGH DEVELOPS OVER THE WEEKEND INTO
EARLY NEXT WEEK, PROVIDING TRANQUIL BOATING WEATHER ACROSS THE MA
AND RI WATERS.
ANZ250-151800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
103 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
REST OF TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND S 1 FOOT AT
6 SECONDS. AREAS OF FOG. A CHANCE OF SHOWERS WITH AREAS OF
DRIZZLE. VSBY 1 NM OR LESS.
FRI
NE WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS. AREAS OF FOG. SHOWERS
LIKELY WITH AREAS OF DRIZZLE IN THE MORNING, THEN A CHANCE OF
SHOWERS WITH AREAS OF DRIZZLE IN THE AFTERNOON. VSBY 1 NM OR
LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
4 TO 6 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND NW 1 FOOT AT
3 SECONDS. AREAS OF FOG IN THE EVENING. PATCHY FOG AFTER MIDNIGHT
WITH VSBY 1 TO 3 NM.
SAT
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 10 SECONDS AND SW 2 FT AT
3 SECONDS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E 4 FT AT
9 SECONDS.
SUN NIGHT
W WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT. SEAS
2 TO 4 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND W 1 FOOT AT
3 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-151800-
MASSACHUSETTS BAY AND IPSWICH BAY-
103 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TONIGHT
E WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND SE 1 FOOT AT
4 SECONDS. AREAS OF FOG. A CHANCE OF SHOWERS WITH AREAS OF
DRIZZLE. VSBY 1 NM OR LESS.
FRI
NE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. WAVE DETAIL: E 5 FT AT 10 SECONDS AND E 1 FOOT AT
2 SECONDS. AREAS OF FOG. SHOWERS LIKELY WITH AREAS OF DRIZZLE IN
THE MORNING, THEN A CHANCE OF SHOWERS WITH AREAS OF DRIZZLE IN
THE AFTERNOON. VSBY 1 NM OR LESS.
FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
3 TO 5 FT. WAVE DETAIL: E 5 FT AT 10 SECONDS AND NW 1 FOOT AT
4 SECONDS. AREAS OF FOG IN THE EVENING.
SAT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 10 SECONDS AND W 1 FOOT AT 9 SECONDS.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 3 FT AT
10 SECONDS.
SUN NIGHT
NW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND W 1 FOOT AT
3 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-151800-
CAPE COD BAY-
103 AM EDT FRI MAY 15 2026
REST OF TONIGHT
E WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 4 SECONDS. AREAS OF
FOG. AREAS OF DRIZZLE WITH A SLIGHT CHANCE OF SHOWERS. VSBY 1 NM
OR LESS.
FRI
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 1 FOOT
AT 3 SECONDS AND NE 1 FOOT AT 4 SECONDS. AREAS OF FOG. A CHANCE
OF SHOWERS. AREAS OF DRIZZLE. VSBY 1 NM OR LESS, INCREASING TO
1 TO 3 NM IN THE AFTERNOON.
FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
4 TO 5 FT, SUBSIDING TO 2 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: N
1 FOOT AT 4 SECONDS, BECOMING NE 2 FT AT 7 SECONDS AND NW 1 FOOT
AT 4 SECONDS. AREAS OF FOG IN THE EVENING, THEN PATCHY FOG AFTER
MIDNIGHT. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER
MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND NE 1 FOOT
AT 6 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT AT
8 SECONDS.
SUN AND SUN NIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND E
1 FOOT AT 9 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-151800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
103 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
REST OF TONIGHT
E WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: SE 5 FT AT 9 SECONDS AND S 1 FOOT AT 6 SECONDS. AREAS OF
FOG. AREAS OF DRIZZLE WITH A CHANCE OF SHOWERS. VSBY 1 NM OR
LESS.
FRI
E WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
4 TO 6 FT, BUILDING TO 6 TO 7 FT IN THE AFTERNOON. WAVE DETAIL:
SE 6 FT AT 10 SECONDS AND S 2 FT AT 6 SECONDS, BECOMING E 7 FT AT
10 SECONDS AND SW 3 FT AT 9 SECONDS. AREAS OF FOG. A CHANCE OF
SHOWERS. AREAS OF DRIZZLE. VSBY 1 NM OR LESS, INCREASING TO 1 TO
3 NM IN THE AFTERNOON.
FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
5 TO 7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND W 1 FOOT AT
9 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
SAT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT
AT 10 SECONDS AND SW 3 FT AT 4 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 4 FT AT
9 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND SE
3 FT AT 8 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
25 KT. SEAS 3 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-151800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
103 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: SE 5 FT AT 9 SECONDS AND SW 4 FT AT 7 SECONDS. AREAS OF
FOG. AREAS OF DRIZZLE. VSBY 1 NM OR LESS.
FRI
NW WINDS 5 TO 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: SE 7 FT
AT 10 SECONDS AND SW 4 FT AT 9 SECONDS. AREAS OF FOG IN THE
MORNING. AREAS OF DRIZZLE IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
6 TO 7 FT, SUBSIDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: SE
6 FT AT 10 SECONDS AND SW 4 FT AT 6 SECONDS, BECOMING SE 6 FT AT
10 SECONDS AND SW 3 FT AT 7 SECONDS. PATCHY FOG AFTER MIDNIGHT
WITH VSBY 1 TO 3 NM.
SAT
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 10 SECONDS AND
SW 4 FT AT 5 SECONDS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND SE 4 FT AT
9 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: SW 4 FT AT 7 SECONDS AND SE 3 FT AT 10 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-151800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
103 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: S 5 FT AT 8 SECONDS. AREAS OF FOG. AREAS OF DRIZZLE. VSBY
1 NM OR LESS.
FRI
NW WINDS 5 TO 10 KT. SEAS 5 TO 6 FT. WAVE DETAIL: SE 6 FT
AT 10 SECONDS AND SW 3 FT AT 8 SECONDS. AREAS OF FOG IN THE
MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON. VSBY 1 NM OR LESS
IN THE MORNING.
FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
6 TO 7 FT, SUBSIDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: SE
6 FT AT 9 SECONDS AND SW 2 FT AT 6 SECONDS, BECOMING SE 5 FT AT
10 SECONDS AND SW 1 FOOT AT 6 SECONDS.
SAT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW
4 FT AT 4 SECONDS AND SE 4 FT AT 10 SECONDS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 4 FT AT
9 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE
DETAIL: SW 4 FT AT 7 SECONDS AND SE 2 FT AT 9 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-151800-
NANTUCKET SOUND-
103 AM EDT FRI MAY 15 2026
REST OF TONIGHT
W WINDS AROUND 5 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT AT 6 SECONDS. AREAS OF
FOG. AREAS OF DRIZZLE. VSBY 1 NM OR LESS.
FRI
N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 3 FT AT
7 SECONDS. A CHANCE OF SHOWERS. AREAS OF DRIZZLE. AREAS OF FOG IN
THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 5 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND SW 1 FOOT AT
6 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS
AFTER MIDNIGHT.
SAT
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND E 2 FT AT 7 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT AT
8 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 1 FOOT AT 9 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-151800-
VINEYARD SOUND-
103 AM EDT FRI MAY 15 2026
REST OF TONIGHT
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 6 SECONDS AND SW 2 FT AT 7 SECONDS. AREAS OF
FOG. AREAS OF DRIZZLE. VSBY 1 TO 3 NM.
FRI
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 10 SECONDS AND SW 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS.
AREAS OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
3 TO 5 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND SW 1 FOOT AT
6 SECONDS.
SAT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 2 FT AT
8 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING N AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND
SE 1 FOOT AT 8 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-151800-
BUZZARDS BAY-
103 AM EDT FRI MAY 15 2026
REST OF TONIGHT
NW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 2 FT AT 6 SECONDS AND SW 1 FOOT AT 7 SECONDS. AREAS OF
FOG. AREAS OF DRIZZLE. VSBY 1 TO 3 NM.
FRI
N WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 2 FT AT
10 SECONDS AND SW 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS. AREAS
OF DRIZZLE IN THE MORNING. AREAS OF FOG IN THE MORNING WITH VSBY
1 TO 3 NM.
FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 4 FT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT
7 SECONDS. PATCHY FOG IN THE EVENING.
SAT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND S 1 FOOT AT
8 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT, BECOMING N AROUND 5 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS AND
SE 2 FT AT 9 SECONDS.
MON AND MON NIGHT
E WINDS 5 TO 10 KT, BECOMING S. SEAS AROUND
2 FT.
TUE AND TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-151800-
RHODE ISLAND SOUND-
103 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TONIGHT
NW WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS. AREAS OF FOG. VSBY 1 TO 3 NM.
FRI
NW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE 5 FT
AT 10 SECONDS AND SW 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS.
AREAS OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
5 TO 6 FT, SUBSIDING TO 3 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: SE
5 FT AT 9 SECONDS AND SW 1 FOOT AT 9 SECONDS, BECOMING SE 4 FT AT
9 SECONDS AND SW 1 FOOT AT 7 SECONDS.
SAT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 4 SECONDS AND SE 4 FT AT 10 SECONDS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND SE 3 FT AT
9 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND
SE 3 FT AT 10 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-151800-
BLOCK ISLAND SOUND-
103 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TONIGHT
NW WINDS AROUND 5 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.
FRI
NW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT
AT 10 SECONDS AND SW 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS.
AREAS OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
4 TO 6 FT. WAVE DETAIL: SE 5 FT AT 9 SECONDS AND SW 2 FT AT
8 SECONDS.
SAT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 3 FT AT
9 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT, BECOMING NW AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND
SE 2 FT AT 8 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-151800-
BOSTON HARBOR-
103 AM EDT FRI MAY 15 2026
REST OF TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
AREAS OF FOG. A CHANCE OF SHOWERS WITH AREAS OF DRIZZLE. VSBY
1 NM OR LESS.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN 2 TO 3 FT
IN THE AFTERNOON. AT THE OUTER HARBOR ENTRANCE, WAVES 2 TO 4 FT.
AREAS OF FOG. SHOWERS LIKELY WITH AREAS OF DRIZZLE IN THE
MORNING, THEN A CHANCE OF SHOWERS WITH AREAS OF DRIZZLE IN THE
AFTERNOON. VSBY 1 NM OR LESS.
FRI NIGHT
NW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS, EXCEPT 2 TO 4 FT AT THE OUTER HARBOR
ENTRANCE. AREAS OF FOG IN THE EVENING.
SAT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT IN THE
AFTERNOON.
SAT NIGHT AND SUN
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
SUN NIGHT
NW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT.
WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
MON THROUGH TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. WAVES AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-151800-
NARRAGANSETT BAY-
103 AM EDT FRI MAY 15 2026
REST OF TONIGHT
NW WINDS AROUND 5 KT. WAVES 2 TO 3 FT. AREAS
OF FOG. VSBY 1 TO 3 NM.
FRI
N WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
AREAS OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. WAVES
2 TO 3 FT.
SAT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
SUN NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. WAVES
2 TO 3 FT.
MON THROUGH TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. WAVES 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-151800-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
103 AM EDT FRI MAY 15 2026
REST OF TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: SE 5 FT AT 9 SECONDS AND S 2 FT AT
7 SECONDS. AREAS OF FOG. SHOWERS WITH AREAS OF DRIZZLE. VSBY 1 NM
OR LESS.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SE 7 FT AT 10 SECONDS. AREAS OF FOG. SHOWERS
LIKELY. AREAS OF DRIZZLE. VSBY 1 NM OR LESS, INCREASING TO 1 TO
3 NM IN THE AFTERNOON.
FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
5 TO 7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS. AREAS OF FOG IN THE
EVENING. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
SAT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT
AT 10 SECONDS AND SW 3 FT AT 4 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND E 4 FT AT
9 SECONDS.
SUN NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 4 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND W 2 FT AT
4 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
30 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-151800-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
103 AM EDT FRI MAY 15 2026
REST OF TONIGHT
E WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 10 SECONDS AND S 2 FT AT
6 SECONDS. AREAS OF FOG. A CHANCE OF SHOWERS WITH AREAS OF
DRIZZLE. VSBY 1 NM OR LESS.
FRI
E WINDS 5 TO 10 KT, BECOMING N IN THE AFTERNOON. SEAS 5 TO
7 FT. WAVE DETAIL: E 7 FT AT 9 SECONDS. AREAS OF FOG. A CHANCE OF
SHOWERS. AREAS OF DRIZZLE. VSBY 1 NM OR LESS, INCREASING TO 1 TO
3 NM IN THE AFTERNOON.
FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
7 TO 8 FT, SUBSIDING TO 5 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: E
7 FT AT 10 SECONDS AND W 1 FOOT AT 9 SECONDS, BECOMING E 7 FT AT
10 SECONDS AND SW 2 FT AT 8 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS.
SAT
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT
AT 10 SECONDS AND SW 4 FT AT 5 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND SE 4 FT AT
9 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND E
3 FT AT 8 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
30 KT. SEAS 4 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-151800-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
103 AM EDT FRI MAY 15 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 5 TO 6 FT. WAVE
DETAIL: SW 6 FT AT 8 SECONDS AND SE 6 FT AT 10 SECONDS. AREAS OF
FOG. AREAS OF DRIZZLE. VSBY 1 NM OR LESS.
FRI
W WINDS 5 TO 10 KT. SEAS 6 TO 7 FT. WAVE DETAIL: SE 7 FT
AT 10 SECONDS AND S 3 FT AT 9 SECONDS. AREAS OF DRIZZLE. AREAS OF
FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
NW WINDS 5 TO 10 KT. SEAS 7 TO 8 FT, SUBSIDING TO
5 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND W
2 FT AT 8 SECONDS, BECOMING E 6 FT AT 10 SECONDS AND SW 3 FT AT
8 SECONDS.
SAT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 5 TO 6 FT. WAVE DETAIL: E 5 FT AT 10 SECONDS AND SW 3 FT AT
9 SECONDS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND E 4 FT AT
9 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND
SE 3 FT AT 8 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 4 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-151800-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
103 AM EDT FRI MAY 15 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 5 TO 6 FT. WAVE
DETAIL: SE 6 FT AT 10 SECONDS AND S 3 FT AT 7 SECONDS. AREAS OF
FOG. AREAS OF DRIZZLE. VSBY 1 NM OR LESS.
FRI
W WINDS 5 TO 10 KT. SEAS 6 TO 7 FT. WAVE DETAIL: SE 7 FT
AT 10 SECONDS AND SW 2 FT AT 7 SECONDS. AREAS OF FOG IN THE
MORNING. AREAS OF DRIZZLE IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
NW WINDS 5 TO 10 KT. SEAS 7 TO 8 FT, SUBSIDING TO
5 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND
SW 2 FT AT 6 SECONDS.
SAT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT AT 10 SECONDS AND SW 3 FT AT
8 SECONDS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 4 FT AT
9 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE
DETAIL: SW 5 FT AT 7 SECONDS AND E 2 FT AT 9 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 4 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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